EACH QUESTION CARRY 1 MARKS
1. Add 2x and 8x.
2. Subtract 3z from 13x.
3. Multiply :( -8m-9n) by -6.
-5
4. Evaluate: 6n=-
2
5. Write the complement of 56°
13
6. Simplify: 4x-
12
7. Write 7860 in the standard form.
8. Find supplement of 142°
-5 3
9. Simplify:
8 8
10. Find x in X+5=21
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